---
title: "Fronius Verto 20.0 vs Huawei SUN2000-20KTL-M3 - Inverter Comparison | ComparePV"
description: "Compare Fronius Verto 20.0 vs Huawei SUN2000-20KTL-M3 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/fronius-international-fronius-verto-20-0/huawei-sun2000-20ktl-m3"
updated: 2026-01-16
---

# Fronius Verto 20.0 vs Huawei SUN2000-20KTL-M3

Fronius Verto 20.0 leads on the differences that matter

The largest is max dc voltage: 250 V apart. 8 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Fronius Verto 20.0](https://comparepv.com/inverter/fronius-international-fronius-verto-20-0) | [Huawei SUN2000-20KTL-M3](https://comparepv.com/inverter/huawei-sun2000-20ktl-m3) |
| Manufacturer | Fronius International | Huawei |
| Rated AC power | 20 kW | 20 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | Fronius Verto 20.0 | SUN2000-20KTL-M3 | Difference |
| --- | --- | --- | --- |
| Max DC voltage | 1000 V | 750 V | 250 V apart |
| Max input current per tracker | 28.0 A | 26.0 A | +2.0 A for Fronius Verto 20.0 |
| Max efficiency | 98.6 % | 97.6 % | +1.0 pp for Fronius Verto 20.0 |
| Weight | 35.2 kg | 43.0 kg | -7.8 kg for Fronius Verto 20.0 |
| Noise | 56 dB | 50 dB | -6 dB for SUN2000-20KTL-M3 |
| Nominal AC voltage | 400 V | 202 V | 198 V apart |
| Max AC current | 30.3 A | 57.2 A | 26.9 A apart |
| Start voltage | 150 V | 200 V | -50 V for Fronius Verto 20.0 |
| Weight per kW | 1.8 kg/kW | 2.1 kg/kW | -0.4 kg/kW for Fronius Verto 20.0 |
| MPPT voltage range | 150-870 V | 200-750 V | 150-870 V vs 200-750 V |
| Dimensions | 730x540x278 mm | 530x681x270 mm | 730x540x278 mm vs 530x681x270 mm |
| Cooling | forced-air | natural | forced-air vs natural |


## Every compared parameter


| Parameter | Fronius Verto 20.0 | SUN2000-20KTL-M3 |
| --- | --- | --- |
| Rated AC power | 20.00 kW | 20.00 kW |
| Max AC power | 20.00 kW | 20.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | 202 V |
| Max AC current | 30.3 A | 57.2 A |
| Max PV power | 30.00 kW | - |
| DC/AC ratio | 1.50 | - |
| Max DC voltage | 1000 V | 750 V |
| MPPT voltage range | 150-870 V | 200-750 V |
| Start voltage | 150 V | 200 V |
| MPP trackers | 4 | 4 |
| Strings per tracker | 2 | 2 |
| Max input current per tracker | 28.0 A | 26.0 A |
| European efficiency | 98.3 % | - |
| Max efficiency | 98.6 % | 97.6 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 35.2 kg | 43.0 kg |
| Weight per kW | 1.8 kg/kW | 2.1 kg/kW |
| Dimensions | 730x540x278 mm | 530x681x270 mm |
| Ingress protection | IP66 | IP66 |
| Cooling | forced-air | natural |
| Noise | 56 dB | 50 dB |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | - |
| Ethernet | Yes | - |
| Arc fault protection | Yes | Yes |
| Integrated DC switch | Yes | - |
| Warranty | - | - |


## Related comparisons

- [Fronius Verto 20.0 vs Growatt MID 20KTL3-X](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-20-0/growatt-mid-20ktl3-x) - 11 differences, the largest is max dc voltage
- [Fronius Verto 20.0 vs Sungrow SG20KTL-M](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-20-0/sungrow-sg20ktl-m) - 10 differences, the largest is max dc voltage
- [Fronius Verto 20.0 vs Huawei SUN2000-20KTL-M2](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-20-0/huawei-sun2000-20ktl-m2) - 12 differences, the largest is max dc voltage


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Source: https://comparepv.com/compare-inverters/fronius-international-fronius-verto-20-0/huawei-sun2000-20ktl-m3

Not in this file, on the page: a written summary generated on request.